Damm.. this is very cool Kawsaki KRR Exhaust System, this is Kawasaki KRR 150 with Exhaust System R9 i found it on video from youtube.com, sounds screamer... very great Exhaust for Kawasaki Ninja KRR.
Many of Exhaust for Kawasaki Ninja 150, but i think's Kawasaki KRR 150 with Exhaust System R9 is the best choice for your kawasaki 150
You may also like this another Exhaust For Ninja :
Exhaust R9 For Kawasaki Ninja 250 Exhaust by R9 and another one..
Kawasaki Ninja 250R with Exhaust R9 Racing Racing Editions..